Check valve type NRVA can be used in liquid,suction and hot gas lines in refrigeration and air conditioning plant with ammonia. NRVA can also be used in refrigerating systems with fluorinated. When the NRVA is used in liquid lines where cold, thick oil or impurities may be present, it is recommended that the standard spring be replaced by a special spring. See ordering table.
Features:
• Ensures correct direction of ow
• Valve housing made of steel
• Available for 40 bar / 580 psig working pressure
• Large range of anges with connection dimensions in accordance with standards: DIN, ANSI, SOC, SA and FPT
• Fitted with damping piston that makes the valves suitable for installation in lines where pulsation can occur, e.g. in he discharge line from the compressor
• Classification: DNV, CRN, BV, EAC etc. To get an updated list of certication on the products please contact your local Danfoss Sales Company
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